JSP 数据库连接类 MySql数据库

 1 package chapter13;
 2 import java.sql.*;
 3 public class DataBaseConnection {
 4     private final String DBDRIVER="com.mysql.jdbc.Driver";
 5     private final String DBURL="jdbc:mysql://localhost:3306/javaweb";
 6     private final String DBUSER="root";
 7     private final String DBPASSWORD="000000";
 8     private Connection connection=null;
 9     public DataBaseConnection(){
10         try{
11             Class.forName(DBDRIVER);
12             this.connection=DriverManager.getConnection(DBURL,DBUSER,DBPASSWORD);
13         }
14         catch(Exception e){
15             System.out.println("加载驱动失败");
16         }
17     }
18     public Connection getConnection(){
19         return connection;
20     }
21     public void close(){
22         try{
23             connection.close();
24         }
25         catch(Exception e){
26             System.out.println("数据库连接关闭失败！");
27         }
28     }
29 }